Binary stars are two stars orbiting a common center. They make up about half of all stars in the Milky Way. Some binary systems are visually close, while others are wide apart. They help astronomers measure stellar masses accurately. The first binary star was discovered in 1650. Their study reveals insights into stellar evolution and the dynamics of galaxies.
Astronomers from the University of New South Wales (UNSW) Sydney identified 27 potential circumbinary planets, expanding the known catalog of these rare worlds. Circumbinary planets are exoplanets that...